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Gnoma [55]
3 years ago
8

Solve for r. 60 = -24 + 12r​

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0

Answer:

7

Step-by-step explanation:

neonofarm [45]3 years ago
3 0

Answer:

r = 7

Step-by-step explanation:

60 = -24 + 12r​

<u>+24  +24</u>

84 = 12r

84 ÷ 12 = r

7 = r

Check:

60 = -24 + 12r

-24 + 12(7)

-24 + 84 = 60

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I need these answers I have no idea how to even do this please help
pav-90 [236]

Answer:

y=5x+5

Step-by-step explanation:

What you're doing is creating an equation for #1 in slope-intercept form (y=mx+b)

Where m is the slope and b is your y-intercept!

If you already have 5 gallons in the tank and your adding 5 more gallons every minute, let x be your minutes:

y=5x+5

For #2 you're going to graph this, but you need to know your slope and y-intercept! In this case your slope is 5 and your y-intercept is 5. your graph would look like the picture attached.

For #3, yes! It does make sense to draw a line because the amount of water is increasing in the tank by 5 gallons every minute, meaning it will increase until she stops it.

For #4 If there had been no water in the tank already then the whole equation would change to just being y=5x, because there would be no starting amount. This also means that the graph would look different and it would start at 0 rather than at 5.

3 0
3 years ago
Can someone double check this please
Dmitry [639]

Answer: c. 29.65 + 0.90r ≤ 41

5 0
4 years ago
What are the zeros of f(x) = x2 + x - 30?
Natalija [7]

Answer:

A

Step-by-step explanation:

The zeroes of the function are the x values when f(x) = 0 so we can write:

0 = x² + x - 30

0 = (x + 6)(x - 5) (To factor this we need to find 2 numbers that have a sum of 1 and a product of -30; these numbers are 6 and -5)

x + 6 = 0 or x - 5 = 0 (Use Zero Product Property)

x = -6, 5

8 0
3 years ago
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hichkok12 [17]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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